This species is known from six localities on the western flank of the Andes in the provinces of Cotopaxi and Pichincha, Ecuador, at 1,140-2,100m asl. It might occur a little more widely.
Habitat and Ecology
It is a cloud forest inhabitant, and it is not known whether or not it tolerates minor habitat degradation. It is presumed to breed by direct development, but the site of egg deposition is not known.
It is a common species.
The major threat is habitat loss and degradation due to agricultural development, logging, and human settlement.
Its range overlaps the Reserva Ecológica Los Illinizas.
John Lynch, Luis A. Coloma, Santiago Ron 2004. Pristimantis nyctophylax. In: IUCN 2014